Customized Infrared Step Germanium Window Lens for Night Vision Camera of Car

  Germanium windowTechinical parameterToleranceDiameter20mm, 25mm, 40mm, 42mm, 50mm, 50.8mm or customizedDimensional tolerance+0/-0.05mmThickness2mm, 3mm, 4mm, 5mm or customizedSurface quality40/20Surface accuracyλ/4 per @633nmBevelling0.1-0.5mmMaterialGermaniumCoating8-12um  Diameter (mm)Thickness (mm)CoatingWavelength202AR/AR8-12um252AR/AR8-12um253AR/AR8-12um402AR/AR8-12um503AR/AR8-12um50.83AR/AR8-12umDiameter (mm)Thickness (mm)CoatingWavelength202AR/DLC8-12um252AR/DLC8-12um402AR/DLC8-12um423AR/DLC8-12um423AR/DLC8-12um50.83AR/DLC8-12um   1. Customs Duties:All the products shipping from China might cause tariffs.All the products S&F sells default FOB trading terms the buyer will take responsibility on all kinds of tax intheir country. If you have special requests about declarationplease leave messages to us when you place an order.2. Delivery  ·All packages to Brazil need CPFnumber byDHL/UPS/Fedex/EMS ·All packages to Argentina need CUIT number byDHL/UPS/Fedex/EMS All packages by Chile need RUT number byDHL/UPS/Fedex/EMS ·All packages to Russia need the Full Name(First name+Mid name+Last name2. Warranty If any quality problem found after your receiving the package within 7 days,pls provide proof of video or photos to uswe could offer refund or replacement once we confirm the problem.For return and exchange,buyer holds responsibility of paying the freight of sending the product back,We will bear the freight of resending it/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1